<template>
  <el-dialog width="500px" title="员工导入" :visible="showExcelDialog" @close="$emit('update:showExcelDialog', false)">
    <el-row type="flex" justify="center">
      <div class="upload-excel">
        <input ref="excel-upload-input" class="excel-upload-input" type="file" accept=".xlsx, .xls" @change="uploadChange">
        <div class="drop">
          <i class="el-icon-upload" />
          <el-button type="text" @click="getTemplate">下载导入模板</el-button>
          <span>将文件拖到此处或
            <el-button type="text" @click="handleUpload">点击上传</el-button>
          </span>
        </div>
      </div>
    </el-row>
    <el-row type="flex" justify="end">
      <!-- update:props属性名，值 直接修改 .sync修饰符的属性值 -->
      <el-button size="mini" type="primary" @click="$emit('update:showExcelDialog', false)">取消</el-button>
    </el-row>
  </el-dialog>
</template>
<script>
import FileSaver from 'file-saver'
import { getExportTemplate, uploadExcel } from '@/api/employee'
export default {

  props: {
    showExcelDialog: {
      type: Boolean,
      default: false
    }
  },
  methods: {
    async getTemplate() {
      const res = await getExportTemplate()
      FileSaver.saveAs(res, '员工导入模版.xlsx')
    },
    handleUpload() {
      this.$refs['excel-upload-input'].click()// this.$refs.属性名 和 this.$refs[属性名] 等价
    },
    async uploadChange(e) {
      const file = e.target.files[0]
      const formData = new FormData()
      formData.append('file', file)
      await uploadExcel(formData)
      this.$message.success('上传员工信息成功')
    //   this.$emit('uploadSuccess') // 通知父组件 我上传成功
    //   this.$emit('update:showExcelDialog', false) // 关闭弹层
    }
  }
}
</script>

<style scoped lang="scss">
.upload-excel {
    display: flex;
    justify-content: center;
    margin: 20px;
    width: 360px;
    height: 180px;
    align-items: center;
    color: #697086;

    .excel-upload-input {
        display: none;
        z-index: -9999;
    }

    .btn-upload,
    .drop {
        border: 1px dashed #dcdfe6;
        width: 100%;
        height: 100%;
        text-align: center;
        line-height: 160px;
        border-radius: 8px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .drop {
        line-height: 40px;
        color: #bbb;

        i {
            font-size: 60px;
            display: block;
            color: #c0c4cc;
        }
    }
}
</style>
